Apparatus for impedance measurements,申请号US19540449437-传众专利搜索

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发明名称	Apparatus for impedance measurements
摘要
申请公布号	US2943258(A)	申请公布日期	1960.06.28
申请号	US19540449437	申请日期	1954.08.12
申请人	SUN OIL COMPANY	发明人	SHAWHAN ELBERT NEIL
分类号	G01R27/02	主分类号	G01R27/02
代理机构		代理人
主权项
地址

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